Off-Grid PWM Wind Solar Hybrid Controller2KW
- Ref Price:
-
- Loading Port:
- Qingdao
- Payment Terms:
- TT or LC
- Min Order Qty:
- 1 unit
- Supply Capability:
- 1000 unit/month
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FKJ-B model Product Characteristics
◆The product is manufactured according the JB/T6939.1-2004 industrial standard and GB/T 19115.1-2003 national standard also with users’ technical requirements.
◆The big screen LCD display. Clearly present the working status of the wind turbine, solar panel, battery and controller.（Wind turbine voltage, current, power display ;solar voltage, current, power display, battery charging current, voltage, charging power, power display.）
◆Two sets of control systems：PWM constant voltage system and three-phase dump load system.
◆PWM constant voltage control is 120% of the rated power of the wind turbine. In case exceeding of PWM’s capacity, the three-phase dump load will automatically start immediately to ensure safe running of the overall wind turbine system.
◆When the battery disconnect or damage, the three-phase dump load will start automatically to avoid the wind turbine idling and runaway accident.
◆When the strong or super-strong wind conditions PWM control to ensure battery charged by the wind turbine with constant voltage and current.
◆The protection function of battery: polarity reverse protection, disconnection and damage protection.
◆Over-charging protection of the battery: When the battery is full (the battery voltage getting 125% of the rated voltage), the controller will carry out three-phase dump load automatically to stop charging the battery.
◆Auto recharging of battery: When the battery voltage reduces to 108% of the rated voltage,it stops three-phase dump load to recharge battery automatically.
◆For the different wind turbine type, the controller can be equipped with mechanical yawing, furled empennage, mechanical or hydraulic, pneumatic, electric magnetic and other brake functions.
◆The inside of the controller is equipped with surge arrester. Contain the over voltage into the wind turbine under the bearable voltage of the equipment or system. On the other way, to conduct the strong lightening current into the earth directly to avoid any damage of equipment.
◆The controller is equipped with manual three-phase dump load switch. To using this switch, the wind turbine will carry out three-phase dump load forcibly.
◆ Optional communication Mode：RS232、RS485、GPRS、USB、RJ45 ect, Can monitor multiple devices running.
Technical Parameters of the FKJ-B (PWM) Off - Grid Wind Solar Controller 2KW
Type | 2KW-24Vdc | 2KW-48Vdc | 2KW-96Vdc |
Wind turbine rated power | 2KW | 2KW | |
Wind turbine max. power | 4KW | 4KW | 4KW |
Solar panel power | 600Wp | 600Wp | 600Wp |
Battery | 24Vdc | 48Vdc | 96Vdc |
Function | Rectifier,charge, control | ||
Display mode | LCD | ||
Display content |
Wind turbine voltage, wind turbine current, wind turbine power, solar panel voltage, solar panel current, solar panel power, battery voltage, charge current | ||
PWM constant pressure voltage | >29Vdc | >58Vdc | >116Vdc |
3-phase load voltage of the wind turbine | 30±1Vdc | 60±1Vdc | 120±2Vdc |
Recovery charging voltage of the wind turbine | 27±1Vdc | 54±1Vdc | 108±2Vdc |
Solar controller stop charging voltage | 29±1Vdc | 58±1Vdc | 116±2Vdc |
Solar restore charge voltage | <29vdc< span=""> | <58vdc< span=""> | <116vdc< span=""> |
Low-voltage of the battery | 20±1Vdc | 40±1Vdc | 80±2Vdc |
Self-provided connecting wire of the battery | >20mm² | >10mm² | >24mm² |
PWM fuse | 100A | 50A | 20A |
Solar fuse | 40A | 20A | 10A |
Charging fuse | 125A | 63A | 32A |
Work environment temperature | -30-60°C | ||
Relative humidity | ＜90% No condensation | ||
Noise (1m) | ＜40dB | ||
Degree of protection | IP20 | ||
Cooling method | Forced air cooling | ||
*Communication interface (optional) | RS485/USB/GPRS/Ethernet | ||
*Temperature compensation (optional) | -4mv/°C/2V,-35°C~+80°C, Accuracy:±1°C | ||
Size of the controller (mm) | 480*360*130 | 480*360*130 | |
Weight of the controller | 23 Kg | 16 Kg | 16 Kg |
Size of the dump load (mm) | 395*300*125 | 395*300*125 | 395*300*125 |
Weight of the dump load | 6.5 Kg | 6.5 Kg | 6.5Kg |
*Above parameter only for reference
1. Could be custom made to user specifications.
2. Could have solar power control subject to user demand.
3. Size of the controller by blue meaning wall hanging case.
- Q: What is the maximum number of solar panels a solar controller can handle?
- The maximum number of solar panels a solar controller can handle depends on the specific model and its specifications. Different solar controllers have different capacities, typically ranging from a few panels to several dozen panels. It is important to consult the manufacturer's guidelines or product specifications to determine the maximum number of solar panels that a particular solar controller can handle.
- Q: Can a solar controller be used in both off-grid and grid-tied systems?
- No, a solar controller can only be used in off-grid systems as it regulates the flow of electricity from the solar panels to the battery bank. In grid-tied systems, the solar power is directly fed into the utility grid and does not require a solar controller.
- Q: How does a solar controller handle battery overvoltage protection?
- A solar controller handles battery overvoltage protection by monitoring the voltage levels of the battery. When the voltage exceeds a predetermined threshold, the controller automatically reduces or stops the charging current to prevent overcharging and potential damage to the battery.
- Q: How does a solar controller regulate the charging process?
- A solar controller regulates the charging process by monitoring the voltage levels of the battery and the solar panels. It controls the flow of current from the solar panels to the battery, ensuring that the battery is charged optimally without overcharging or undercharging. The controller also prevents reverse current flow from the battery to the panels during periods of low or no sunlight. Overall, it acts as an intermediary between the solar panels and the battery, maintaining a stable and efficient charging process.
- Q: Can a solar controller be used with a solar-powered greenhouse?
- Yes, a solar controller can be used with a solar-powered greenhouse. A solar controller helps regulate and optimize the usage of solar energy in a system. In a solar-powered greenhouse, the controller can control various components such as ventilation fans, temperature sensors, and irrigation systems, ensuring efficient use of solar energy and maintaining optimal growing conditions inside the greenhouse.
- Q: How do I prevent reverse current flow with a solar controller?
- To prevent reverse current flow with a solar controller, you can use a diode or a blocking diode in the circuit. This diode will allow current flow from the solar panel to the battery but block any reverse current flow from the battery back to the solar panel, effectively preventing any damage to the system.
- Q: How the solar panels with the controller
- Battery status indication: When the battery voltage is in the normal range, the status indicator (2) is green; if the status indicator is green slow flashing; when the battery voltage drops to undervoltage, the status indicator turns orange; when the battery When the voltage continues to decrease to the overdischarge voltage, the status indicator (2) turns red, and the controller will automatically turn off the output to remind the user to replenish the power in time. When the battery voltage returns to the normal operating range, the output enable action will be automatically enabled and the status indicator (2) will turn green;
- Q: What is the maximum temperature range for a solar controller?
- The maximum temperature range for a solar controller typically varies depending on the specific model and manufacturer. However, most solar controllers have a maximum temperature range of around -30°C to 60°C (-22°F to 140°F).
- Q: How does a solar controller handle variations in load demand?
- A solar controller handles variations in load demand by monitoring the amount of power required by the load and adjusting the charging and discharging of the battery accordingly. When there is an increase in load demand, the solar controller detects the change in power consumption and increases the charging rate of the battery, ensuring that it receives sufficient energy to power the load. This is done by allowing more current flow from the solar panels to the battery. On the other hand, when there is a decrease in load demand, the solar controller reduces the charging rate to avoid overcharging the battery. It does this by limiting the current flow from the solar panels to the battery, preventing excess energy from being stored. In this way, the solar controller constantly monitors and adjusts the charging and discharging process to match the load demand, ensuring optimal utilization of the solar power system. By effectively managing the variations in load demand, the solar controller helps maximize the efficiency and lifespan of the battery, while also providing reliable power supply to the load.
- Q: Can a solar controller be used in marine applications?
- The utilization of a solar controller in marine applications is indeed feasible. A solar controller, also referred to as a charge controller, plays a vital role in regulating the flow of electricity from solar panels to batteries. Its main function is to ensure the efficient charging of batteries while preventing any potential damage caused by overcharging. In marine scenarios, where a dependable and efficient power source is often required, solar panels offer a commendable alternative to conventional sources like generators or shore power. By harnessing the sun's energy, solar panels have the ability to generate electricity, making them highly suitable for boats or yachts that frequently venture out to sea. To guarantee the proper charging of batteries and optimal performance of solar panels, the presence of a solar controller is crucial in marine applications. Not only does it safeguard the batteries from the risks associated with overcharging, such as decreased battery lifespan and potential safety hazards, but it also ensures that the solar panels are functioning at their best. Moreover, modern solar controllers are specifically designed to endure the rigorous marine environment, which includes exposure to saltwater, humidity, and vibrations. They are typically constructed using corrosion-resistant materials and possess waterproof or weatherproof ratings to withstand these challenging conditions. To summarize, a solar controller can be effectively and safely utilized in marine applications, offering a reliable and environmentally friendly power source for boats, yachts, and other marine vessels.
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Off-Grid PWM Wind Solar Hybrid Controller2KW
- Ref Price:
-
- Loading Port:
- Qingdao
- Payment Terms:
- TT or LC
- Min Order Qty:
- 1 unit
- Supply Capability:
- 1000 unit/month
OKorder Service Pledge
OKorder Financial Service
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